Cast a copy of Seething Song from exile by paying no more than {1}{R}, adding {R}{R}{R}{R}{R}.
When you cast that spell, Archmage of Runes triggers.
Holding priority, activate Emiel the Blessed by paying {3}, blinking Blazing Firesinger, which enters prepared.
Repeat any number of times.
Resolve triggers from Archmage of Runes until you have drawn as many cards as desired.
If the remaining number of Archmage of Runes triggers is greater than the number of cards in your library, you must win the game or remove those triggers from the stack at instant speed to avoid losing from drawing from an empty library.

Infinite card draw

Infinite draw triggers

Near-infinite creature ETB

Near-infinite creature LTB

Near-infinite magecraft triggers

Near-infinite storm count

Blazing Firesinger // Seething Song

Emiel the Blessed

Archmage of Runes

Activate Kiki-Jiki by tapping it, copying Blazing Firesinger. It'll enter prepared due to its effect.
Cast a copy of Seething Song by paying {1}{R} due to Archmage of Runes.
Archmage of Ruins and Hematite Talisman trigger.
Resolve the Archmage of Ruins trigger, causing you to draw a card.
Resolve the Hematite Talisman trigger, causing you to pay {3} to untap Kiki-Jiki.
Resolve Seething Song, adding {R}{R}{R}{R}{R}.
Repeat.

Near-infinite creature tokens with haste

Near-infinite death triggers

Near-infinite creature sacrifice triggers

Kiki-Jiki, Mirror Breaker

Hematite Talisman

Cast Nameless Inversion from your graveyard, as it is a Knight card, by paying {0} due to Archmage of Runes and Morophon, giving a creature +3/-3 until end of turn.
If the creature has toughness 0 or less, the creature dies as a state-based action.
Repeat as desired.

Combos with "Archmage of Runes"